ReLIFE (2016)

ReLIFE follows the story of Arata Kaizaki, a 27-year-old man who is given the opportunity to relive his high school years through a pill that transforms him back into a 17-year-old. With the help of the ReLIFE Research Institute, Arata goes back to school and starts his life as a high school student once again. As he navigates through the challenges of adolescence, he discovers the value of friendship, love, and self-reflection. This heartwarming anime explores themes of growing up, second chances, and the complexities of teenage life.